Include Google Update integration details in crash keys and about:version.

chrome/installer/setup/installer_crash_reporting.cc

Index: chrome/installer/setup/installer_crash_reporting.cc
diff --git a/chrome/installer/setup/installer_crash_reporting.cc b/chrome/installer/setup/installer_crash_reporting.cc
index 137913a1ab84f2534ed5114ac389284c43868339..b8ecb8bc766a0ace3689c0c8a5f4b2d746a0fd8c 100644
--- a/chrome/installer/setup/installer_crash_reporting.cc
+++ b/chrome/installer/setup/installer_crash_reporting.cc
@@ -31,6 +31,8 @@ namespace {
 
 // Crash Keys
 
+const char kApValue[] = "ap";
+const char kCohortName[] = "cohort-name";
 const char kCurrentVersion[] = "current-version";
 const char kIsSystemLevel[] = "system-level";
 const char kOperation[] = "operation";
@@ -129,6 +131,14 @@ void SetInitialCrashKeys(const InstallerState& state) {
   const base::string16 state_key = state.state_key();
   if (!state_key.empty())
     SetCrashKeyValue(kStateKey, base::UTF16ToUTF8(state_key));
+
+  // Set crash keys containing the registry values used to determine Chrome's
+  // update channel at process startup; see https://crbug.com/579504.
+  const auto& details = install_static::InstallDetails::Get();
+  base::debug::SetCrashKeyValue(kApValue,
+                                base::UTF16ToUTF8(details.update_ap()));
+  base::debug::SetCrashKeyValue(
+      kCohortName, base::UTF16ToUTF8(details.update_cohort_name()));
 }
 
 void SetCrashKeysFromCommandLine(const base::CommandLine& command_line) {